This comprises: 1. Generic index (12243 genera with each genus followed by a brief guide (author, year and research methods [A: Atomic force microscopic; F: Fluore-scence microscopic; L: Light microscopic; S: Scanning Electron microscopyic; V: video image]); ii. Family Index: Every generic name is followed by one or more numbers indicating 1-8 volumes of the Index incor-porating the relevant reference(s); iii. Bibliographic references: 995 new entries. A list of the journals consulted is given.